28394520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{439}}^1$

素因数の和:478

約数の個数: 192

約数和(自身を含む): 108345600

約数和(自身を除く): 79951080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 49, 55, 56, 60, 66, 70, 77, 84, 88, 98, 105, 110, 120, 132, 140, 147, 154, 165, 168, 196, 210, 220, 231, 245, 264, 280, 294, 308, 330, 385, 392, 420, 439, 440, 462, 490, 539, 588, 616, 660, 735, 770, 840, 878, 924, 980, 1078, 1155, 1176, 1317, 1320, 1470, 1540, 1617, 1756, 1848, 1960, 2156, 2195, 2310, 2634, 2695, 2940, 3073, 3080, 3234, 3512, 4312, 4390, 4620, 4829, 5268, 5390, 5880, 6146, 6468, 6585, 8085, 8780, 9219, 9240, 9658, 10536, 10780, 12292, 12936, 13170, 14487, 15365, 16170, 17560, 18438, 19316, 21511, 21560, 24145, 24584, 26340, 28974, 30730, 32340, 33803, 36876, 38632, 43022, 46095, 48290, 52680, 57948, 61460, 64533, 64680, 67606, 72435, 73752, 86044, 92190, 96580, 101409, 107555, 115896, 122920, 129066, 135212, 144870, 169015, 172088, 184380, 193160, 202818, 215110, 236621, 258132, 270424, 289740, 322665, 338030, 368760, 405636, 430220, 473242, 507045, 516264, 579480, 645330, 676060, 709863, 811272, 860440, 946484, 1014090, 1183105, 1290660, 1352120, 1419726, 1892968, 2028180, 2366210, 2581320, 2839452, 3549315, 4056360, 4732420, 5678904, 7098630, 9464840, 14197260, 28394520]

約数ペア:

[(1, 28394520), (2, 14197260), (3, 9464840), (4, 7098630), (5, 5678904), (6, 4732420), (7, 4056360), (8, 3549315), (10, 2839452), (11, 2581320), (12, 2366210), (14, 2028180), (15, 1892968), (20, 1419726), (21, 1352120), (22, 1290660), (24, 1183105), (28, 1014090), (30, 946484), (33, 860440), (35, 811272), (40, 709863), (42, 676060), (44, 645330), (49, 579480), (55, 516264), (56, 507045), (60, 473242), (66, 430220), (70, 405636), (77, 368760), (84, 338030), (88, 322665), (98, 289740), (105, 270424), (110, 258132), (120, 236621), (132, 215110), (140, 202818), (147, 193160), (154, 184380), (165, 172088), (168, 169015), (196, 144870), (210, 135212), (220, 129066), (231, 122920), (245, 115896), (264, 107555), (280, 101409), (294, 96580), (308, 92190), (330, 86044), (385, 73752), (392, 72435), (420, 67606), (439, 64680), (440, 64533), (462, 61460), (490, 57948), (539, 52680), (588, 48290), (616, 46095), (660, 43022), (735, 38632), (770, 36876), (840, 33803), (878, 32340), (924, 30730), (980, 28974), (1078, 26340), (1155, 24584), (1176, 24145), (1317, 21560), (1320, 21511), (1470, 19316), (1540, 18438), (1617, 17560), (1756, 16170), (1848, 15365), (1960, 14487), (2156, 13170), (2195, 12936), (2310, 12292), (2634, 10780), (2695, 10536), (2940, 9658), (3073, 9240), (3080, 9219), (3234, 8780), (3512, 8085), (4312, 6585), (4390, 6468), (4620, 6146), (4829, 5880), (5268, 5390)]